amanda knox was 0 years old when this began in 2007. since then she and her family have been on a journey with an astonishing set of ups and downs. >> translator: this order be that amanda knox and rafaelle sollecito be immediately released. >> reporter: it was a verdict that went global in an instant. >> it feels as if all of perugia is packed in the main street of the courthouse. >> reporter: just a year and a half ago amanda knox thought her troubles were over. >> my family is the most important thing to me right now and i just want to go and be with them. >> reporter: her ordeal began in circumstances that were completely ideal, a year of study abroad in the picturesque italian town of perugia. weeks later she was accused along with her boyfriend, rafaelle sollecito, of killing her 21-year-old roommate, british student meredith kercher found stabbed to death under a duvet in the apartment she shared with knox. the case immediately became a media sensation. fueled by those images of knox kissing her boyfriend and salacious accusation